The money I pay for music is a linear function of the number of songs I download. If I download 7 songs, then I pay $11.98. If I download 13 songs, then I pay $18.82. How much do I pay if I download 23 songs?
?
?
A. $27.16
B. $30.64
C. $26.22
D. $30.22
Answer: D
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